5 files changed, 11 insertions, 14 deletions
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 32b3341fe970..da985e0dc69a 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -82,7 +82,6 @@ static int __init rng_init (void)
 	sigio_broken(random_fd);
 	hwrng.name = RNG_MODULE_NAME;
 	hwrng.read = rng_dev_read;
-	hwrng.quality = 1024;
 
 	err = hwrng_register(&hwrng);
 	if (err) {
diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c
index acb55b302b14..3ac220dafec4 100644
--- a/arch/um/drivers/virt-pci.c
+++ b/arch/um/drivers/virt-pci.c
@@ -97,7 +97,8 @@ static int um_pci_send_cmd(struct um_pci_device *dev,
 	}
 
 	buf = get_cpu_var(um_pci_msg_bufs);
-	memcpy(buf, cmd, cmd_size);
+	if (buf)
+		memcpy(buf, cmd, cmd_size);
 
 	if (posted) {
 		u8 *ncmd = kmalloc(cmd_size + extra_size, GFP_ATOMIC);
@@ -182,6 +183,7 @@ static unsigned long um_pci_cfgspace_read(void *priv, unsigned int offset,
 	struct um_pci_message_buffer *buf;
 	u8 *data;
 	unsigned long ret = ULONG_MAX;
+	size_t bytes = sizeof(buf->data);
 
 	if (!dev)
 		return ULONG_MAX;
@@ -189,7 +191,8 @@ static unsigned long um_pci_cfgspace_read(void *priv, unsigned int offset,
 	buf = get_cpu_var(um_pci_msg_bufs);
 	data = buf->data;
 
-	memset(buf->data, 0xff, sizeof(buf->data));
+	if (buf)
+		memset(data, 0xff, bytes);
 
 	switch (size) {
 	case 1:
@@ -204,7 +207,7 @@ static unsigned long um_pci_cfgspace_read(void *priv, unsigned int offset,
 		goto out;
 	}
 
-	if (um_pci_send_cmd(dev, &hdr, sizeof(hdr), NULL, 0, data, 8))
+	if (um_pci_send_cmd(dev, &hdr, sizeof(hdr), NULL, 0, data, bytes))
 		goto out;
 
 	switch (size) {
diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
index cb896e6121c8..8a5032ec231f 100644
--- a/arch/um/include/asm/pgtable-3level.h
+++ b/arch/um/include/asm/pgtable-3level.h
@@ -58,11 +58,7 @@
 #define pud_populate(mm, pud, pmd) \
 	set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
 
-#ifdef CONFIG_64BIT
-#define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
-#else
 #define set_pud(pudptr, pudval) (*(pudptr) = (pudval))
-#endif
 
 static inline int pgd_newpage(pgd_t pgd)
 {
@@ -71,11 +67,7 @@ static inline int pgd_newpage(pgd_t pgd)
 
 static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }
 
-#ifdef CONFIG_64BIT
-#define set_pmd(pmdptr, pmdval) set_64bit((u64 *) (pmdptr), pmd_val(pmdval))
-#else
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
-#endif
 
 static inline void pud_clear (pud_t *pud)
 {
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 66bc3f99d9be..4e3052f2671a 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -298,8 +298,6 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
 	((swp_entry_t) { pte_val(pte_mkuptodate(pte)) })
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
-#define kern_addr_valid(addr) (1)
-
 /* Clear a kernel PTE and flush it from the TLB */
 #define kpte_clear_flush(ptep, vaddr)		\
 do {						\
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 8adf8e89b255..786b44dc20c9 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -444,6 +444,11 @@ void apply_returns(s32 *start, s32 *end)
 {
 }
 
+void apply_fineibt(s32 *start_retpoline, s32 *end_retpoline,
+		   s32 *start_cfi, s32 *end_cfi)
+{
+}
+
 void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
 {
 }